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Finding the Fourth Proportional to 98,801.40, 148,202.10 and 59,435.40

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Solution

The fourth proportional to 98,801.40, 148,202.10 and 59,435.40 is: 89,153.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,801.40 : 148,202.10 = 59,435.40 : x
  2. Step 2: Convert to fraction form
    98,801.40/148,202.10 = 59,435.40/x
  3. Step 3: Cross multiply
    98,801.40x = 148,202.10 × 59,435.40
  4. Step 4: Simplify right side
    98,801.40x = 8,808,451,094.34
  5. Step 5: Solve for x
    x = 8,808,451,094.34/98,801.40
  6. Step 6: Final answer
    x = 89,153.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.